Claim means, depending on the context, either:

(a) A written demand or written assertion by one of the parties to a Federal award seeking as a matter of right:

(1) The payment of money in a sum certain;

(2) The adjustment or interpretation of the terms and conditions of the Federal award; or

(3) Other relief arising under or relating to a Federal award.

(b) A request for payment that is not in dispute when submitted.